Home / 18,966.65-28,435.91-9,096.53

Finding the Fourth Proportional to 18,966.65, 28,435.91 and 9,096.53

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Solution

The fourth proportional to 18,966.65, 28,435.91 and 9,096.53 is: 13,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.65 : 28,435.91 = 9,096.53 : x
  2. Step 2: Convert to fraction form
    18,966.65/28,435.91 = 9,096.53/x
  3. Step 3: Cross multiply
    18,966.65x = 28,435.91 × 9,096.53
  4. Step 4: Simplify right side
    18,966.65x = 258,667,988.95
  5. Step 5: Solve for x
    x = 258,667,988.95/18,966.65
  6. Step 6: Final answer
    x = 13,638.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.